What is Dark Energy and what does it have to do with Einstein?

In this week’s "A Moment of Science with Brian Greene," find out how Einstein’s “greatest blunder” now appears to be one of his deepest insights. Subscribe to our YouTube Channel for all the latest from WSF. Visit our Website: www.worldsciencefestival.com/ Like us on Facebook: www.facebook.com/worldsciencefestival Follow us on twitter: twitter.com/WorldSciFest

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